Spray gun



FIG. 1 is a top perspective view of a spray gun showing my new design;

FIG. 2 is a right side elevational view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a left side elevational view thereof;

FIG. 8 is a top perspective view of a second embodiment thereof;

FIG. 9 is a right side elevational view thereof;

FIG. 10 is a front elevational view;

FIG. 11 is a rear elevational view thereof;

FIG. 12 is a top plan view thereof;

FIG. 13 is a bottom plan view thereof; and

FIG. 14 is a left side elevational view thereof. 

The ornamental design for a spray gun, as shown and described. 